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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: aaj/xkr31uCUUphWC+MoC25+GkC/fqvhy0upL6Nkykg9ZjKWMYdby3HfsAZUV3ISC2YQT55PoVH872a/dpYU+Vb+jfhXuyccPB+vTVYH7QkUd2n37SMPGevxWoVGjsDIzefGJ5YEbFqmXtc/9FBJjt2CIciJgifd3/hxwIyn+6KIX4U4m3SA7dLbS8qkCbk2LoUM/yfcH9IBALbQEs30cuwPIsdJrY3UZwYa42rQTPyptmUqoI6MpV1bZYnrAJN9Q0QGABa4oNo4Oly9aQs16/uDHTJ/UhVanLNj39a4xmuvLF5Gua82B/+/gKtJuxv4VJMc3KKg4u7za03ADpZZyvGbTNinV3MFb65L+IH1dMeQQd958wz1NR5lYQMidH+dkrJVCIKZhVknZxaiF4dLYRTeBqhjaHDqflTk7H58ashQZxoECcTF/eWz9dC1HLYx X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 19 Mar 2026 21:27:25.7609 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 43856d2f-ff7e-4013-8713-08de85fe50ec X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.161];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: DS1PEPF00017094.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: IA1PR12MB6017 Add a name() method to the `Device` type, which returns a CStr that contains the device name. Signed-off-by: Timur Tabi Reviewed-by: Alice Ryhl Reviewed-by: Alexandre Courbot Reviewed-by: Gary Guo Tested-by: John Hubbard Tested-by: Eliot Courtney --- rust/helpers/device.c | 5 +++++ rust/kernel/device.rs | 11 +++++++++++ 2 files changed, 16 insertions(+) diff --git a/rust/helpers/device.c b/rust/helpers/device.c index a8ab931a9bd1..3be4ee590784 100644 --- a/rust/helpers/device.c +++ b/rust/helpers/device.c @@ -25,3 +25,8 @@ __rust_helper void rust_helper_dev_set_drvdata(struct device *dev, void *data) { dev_set_drvdata(dev, data); } + +__rust_helper const char *rust_helper_dev_name(const struct device *dev) +{ + return dev_name(dev); +} diff --git a/rust/kernel/device.rs b/rust/kernel/device.rs index 94e0548e7687..8f6ad4f53101 100644 --- a/rust/kernel/device.rs +++ b/rust/kernel/device.rs @@ -489,6 +489,17 @@ pub fn fwnode(&self) -> Option<&property::FwNode> { // defined as a `#[repr(transparent)]` wrapper around `fwnode_handle`. Some(unsafe { &*fwnode_handle.cast() }) } + + /// Returns the name of the device. + /// + /// This is the kobject name of the device, or its initial name if the kobject is not yet + /// available. + #[inline] + pub fn name(&self) -> &CStr { + // SAFETY: By its type invariant `self.as_raw()` is a valid pointer to a `struct device`. + // The returned string is valid for the lifetime of the device. + unsafe { CStr::from_char_ptr(bindings::dev_name(self.as_raw())) } + } } // SAFETY: `Device` is a transparent wrapper of a type that doesn't depend on `Device`'s generic -- 2.53.0